Ridgecrest (foreshock)

Date: 4 Jul 2019 17:33:49 (California)

m = 6.4

Earthquake	Date	Magnitude	b_ref	b-Max_first	b-Max3	b-Max7	b-Max30	b-Max90	Strike	Dip	Rake	Fault type
Ridgecrest	2019-07-04 17:33:49	6.4	1	105.73	nan	nan	nan	nan	137	87	176	SS

notes:

1. If the mainshock happens before 3 days after the foreshock the b_max of the period is b_max_first.

2. If the mainshock happens before the scheduled deadline (e.g., before 90 days) from the mainshock, the b_max of the whole period is not calculated (e.g., b_max90=nan).